Improvement in devices for tapping gas and water-pipes



lLEAVNDER SPAULDINGLELIAS E.' GUY.

Improvement in Devices for Tapping Gas and Water Pipes.

NIL-119,895.

VPatenfed Oct. 10, 1871.

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UNITED STATES LEANDER SPAULDING AND ELIAS E. GUY, OF NORFOLK, VIRGINIA.

IMPROVEMENT IN DEVICES FOR TAPPING GAS AND WATER-PIPES.

' Specification forming part of Letters Patent No. 119,895, datedOctober 10, 1871.

Toall whom t may concern:

Beit known that We, LEANDER SPAULDING and ELIAS E. GUY, of the countyand city of Norfolk, State of Virginia, have invented certainImprovements for Tapping Pipes, of which the following is a specication:

The first part of our invention consists of a fittin g which can beattached to a Water, gas, or steam-pipe, Without removing the same, tocut oi" or cut thread. The second part of our invention consists of acombination drill, by means of which a Water, gas, or steam-pipe may betapped Without allowing any of the contents to escape.

Figure l is a side elevation embodying our invention. Fig. 2 is alongitudinal section of same.

A is the fitting; B, the clamp; C C, the bolts for holding sametogether; E, the pipe to be tappcd, F is the stop-cock, the play ofwhich has a round port sufficiently large for the drill G to passthrough. H is the yoke; I, the drill-chuck; J, set-screw for givingpressure to drill; K, nut forming stufng at head of pipe L-also, actingas guide to drill G, and for holding down yoke H. For tappingWater-mains the fitting A/ is secured to the main to be tapped, making aWater-tight joint With any suitable packings. The cock drill, Snc., isthen secured in place and the stufng,

box packed 5 then, by givingmotion to drill-chuck I, by means of aratchet-Wrench or other suitable appliance and setting up on set-screwJ, the

hole can be drilled through the pipe E. After drilling through, thedrill can be pressed to the bottom of the pipe, after which the yoke andchuck can be removed at X; then the point of the drill can be raisedabove the plug in the cock and the Water turned o, after which all abovethe cock F can be removed and the b ranch-pipe attached and run Wheredesired. In case the Water, gas, or steam-pipe is empty, the cock F canAbe dispensed With, in which case the branch can Witnesses:

HENRY G. GUY, S. V. TURNER. v (64)

